Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/exports/TimeseriesChartGenerator.java @ 2414:b5f5af53a526
Make it compileable again
flys-artifacts/trunk@4045 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Mon, 13 Feb 2012 17:48:14 +0000 |
parents | f55984858952 |
children | 44dc117aa2b7 c7b0dfa6a52c |
rev | line source |
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1 package de.intevation.flys.exports; |
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2 |
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3 import java.awt.Color; |
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4 |
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5 import java.util.ArrayList; |
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6 import java.util.HashMap; |
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7 import java.util.List; |
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8 import java.util.Map; |
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9 |
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10 import org.apache.log4j.Logger; |
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11 |
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12 import org.jfree.chart.ChartFactory; |
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13 import org.jfree.chart.JFreeChart; |
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14 import org.jfree.chart.axis.ValueAxis; |
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15 import org.jfree.chart.plot.XYPlot; |
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16 |
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17 import org.jfree.data.Range; |
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18 import org.jfree.data.time.TimeSeriesCollection; |
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19 import org.jfree.data.general.Series; |
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20 import org.jfree.data.xy.XYDataset; |
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21 |
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22 import de.intevation.flys.jfree.Bounds; |
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23 import de.intevation.flys.jfree.DoubleBounds; |
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24 import de.intevation.flys.jfree.TimeBounds; |
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25 |
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26 |
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27 /** |
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28 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> |
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29 */ |
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30 public abstract class TimeseriesChartGenerator extends ChartGenerator { |
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31 |
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32 |
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33 /** |
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34 * Inner class TimeseriesAxisDataset stores TimeSeriesCollection. |
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35 */ |
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36 public class TimeseriesAxisDataset implements AxisDataset { |
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37 |
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38 protected int axisSymbol; |
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39 |
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40 protected List<TimeSeriesCollection> datasets; |
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41 |
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42 protected Range range; |
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43 |
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44 protected int plotAxisIndex; |
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45 |
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46 |
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47 public TimeseriesAxisDataset(int axisSymbol) { |
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48 this.axisSymbol = axisSymbol; |
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49 this.datasets = new ArrayList<TimeSeriesCollection>(); |
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50 } |
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51 |
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52 |
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53 @Override |
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54 public void addDataset(XYDataset dataset) { |
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55 if (!(dataset instanceof TimeSeriesCollection)) { |
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56 logger.warn("Skip non TimeSeriesCollection dataset."); |
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57 return; |
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58 } |
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59 |
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60 TimeSeriesCollection tsc = (TimeSeriesCollection) dataset; |
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61 |
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62 datasets.add(tsc); |
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63 mergeRanges(tsc); |
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64 } |
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65 |
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66 |
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67 @Override |
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68 public XYDataset[] getDatasets() { |
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69 return (XYDataset[]) |
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70 datasets.toArray(new XYDataset[datasets.size()]); |
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71 } |
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72 |
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73 |
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74 @Override |
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75 public boolean isEmpty() { |
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76 return datasets.isEmpty(); |
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77 } |
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78 |
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79 |
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80 @Override |
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81 public void setRange(Range range) { |
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82 this.range = range; |
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83 } |
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84 |
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85 |
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86 @Override |
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87 public Range getRange() { |
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88 return range; |
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89 } |
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90 |
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91 |
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92 @Override |
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93 public void setPlotAxisIndex(int plotAxisIndex) { |
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94 this.plotAxisIndex = plotAxisIndex; |
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95 } |
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96 |
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97 |
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98 @Override |
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99 public int getPlotAxisIndex() { |
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100 return plotAxisIndex; |
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101 } |
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102 |
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103 |
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104 @Override |
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105 public boolean isArea(XYDataset dataset) { |
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106 logger.warn("This AxisDataset doesn't support Areas yet!"); |
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107 return false; |
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108 } |
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109 |
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110 |
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111 protected void mergeRanges(TimeSeriesCollection dataset) { |
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112 logger.debug("Range after merging: " + range); |
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113 |
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114 Bounds[] xyRanges = ChartHelper.getBounds(dataset); |
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115 |
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116 // TODO COMBINE BOUNDS! |
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117 |
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118 logger.debug("Range after merging: " + range); |
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119 } |
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120 |
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121 } // end of TimeseriesAxisDataset class |
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122 |
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123 |
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124 |
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125 private static final Logger logger = |
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126 Logger.getLogger(TimeseriesChartGenerator.class); |
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127 |
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128 |
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129 public static final int AXIS_SPACE = 5; |
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130 |
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131 |
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132 protected Map<Integer, Bounds> xRanges; |
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133 |
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134 protected Map<Integer, Bounds> yRanges; |
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135 |
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136 |
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137 |
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138 /** |
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139 * The default constructor that initializes internal datastructures. |
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140 */ |
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141 public TimeseriesChartGenerator() { |
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142 super(); |
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143 |
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144 xRanges = new HashMap<Integer, Bounds>(); |
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145 yRanges = new HashMap<Integer, Bounds>(); |
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146 } |
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147 |
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148 |
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149 |
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150 @Override |
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151 public JFreeChart generateChart() { |
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152 logger.info("Generate Timeseries Chart."); |
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153 |
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154 JFreeChart chart = ChartFactory.createTimeSeriesChart( |
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155 getChartTitle(), |
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156 getXAxisLabel(), |
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157 getYAxisLabel(0), |
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158 null, |
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159 true, |
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160 false, |
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161 false); |
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162 |
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163 logger.warn("TODO: IMPLEMENT ME!"); |
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164 |
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165 XYPlot plot = (XYPlot) chart.getPlot(); |
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166 |
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167 chart.setBackgroundPaint(Color.WHITE); |
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168 plot.setBackgroundPaint(Color.WHITE); |
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169 |
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170 addSubtitles(chart); |
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171 addDatasets(plot); |
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172 |
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173 adaptZoom(plot); |
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174 |
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175 return chart; |
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176 } |
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177 |
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178 |
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179 @Override |
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180 protected Series getSeriesOf(XYDataset dataset, int idx) { |
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181 return ((TimeSeriesCollection) dataset).getSeries(idx); |
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182 } |
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183 |
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184 |
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185 // TODO DECLARE IN UPPER CLASS AND ADD OVERRIDE ANNOTATION |
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186 protected Bounds getXRange(int axis) { |
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187 return xRanges.get(Integer.valueOf(axis)); |
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188 } |
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189 |
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190 |
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191 @Override |
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192 // TODO setXRange should always await a Bounds instance! |
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193 // TODO SHOULD BE REMOVED WHEN DEFINED IN UPPER CLASS |
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194 protected void setXRange(int axis, Range range) { |
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195 // do nothing here, we will use setXRange(int, Bounds) now |
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196 } |
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197 |
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198 |
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199 @Override |
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200 // TODO setYRange should always await a Bounds instance! |
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201 protected void setYRange(int axis, Range range) { |
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202 if (range == null) { |
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203 logger.warn("Range is null!"); |
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204 return; |
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205 } |
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206 |
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207 setYBounds(Integer.valueOf(axis), new DoubleBounds( |
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208 range.getLowerBound(), |
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209 range.getUpperBound())); |
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210 } |
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211 |
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212 |
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213 /** |
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214 * This method creates new instances of TimeseriesAxisDataset. |
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215 * |
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216 * @param idx The symbol for the new TimeseriesAxisDataset. |
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217 */ |
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218 @Override |
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219 protected AxisDataset createAxisDataset(int idx) { |
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220 logger.debug("Create a new AxisDataset for index: " + idx); |
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221 return new TimeseriesAxisDataset(idx); |
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222 } |
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223 |
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224 |
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225 // TODO THIS SHOULD BE DONE IN AN UPPER CLASS! |
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226 @Override |
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227 public void addAxisDataset(XYDataset dataset, int idx, boolean visible) { |
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228 if (dataset == null || idx < 0) { |
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229 return; |
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230 } |
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231 |
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232 AxisDataset axisDataset = getAxisDataset(idx); |
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233 |
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234 Bounds[] bounds = ChartHelper.getBounds((TimeSeriesCollection)dataset); |
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235 |
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236 if (bounds == null) { |
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237 logger.warn("Skip XYDataset for Axis (invalid ranges): " + idx); |
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238 return; |
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239 } |
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240 |
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241 if (visible) { |
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242 if (logger.isDebugEnabled()) { |
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243 logger.debug("Add new AxisDataset at index: " + idx); |
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244 logger.debug("X extent: " + bounds[0]); |
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245 logger.debug("Y extent: " + bounds[1]); |
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246 } |
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247 |
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248 axisDataset.addDataset(dataset); |
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249 } |
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250 |
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251 combineXRanges(bounds[0], 0); |
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252 combineYRanges(bounds[1], idx); |
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253 } |
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254 |
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255 |
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256 /** |
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257 * Effect: extend range of x axis to include given limits. |
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258 * @param range the given ("minimal") range. |
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259 * @param index index of axis to be merged. |
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260 */ |
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261 @Override |
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262 protected void combineXRanges(Range range, int index) { |
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263 throw new RuntimeException( |
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264 "TimeseriesChartGenerator.combineXRanges is not implemented!"); |
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265 } |
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266 |
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267 |
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268 protected void combineXRanges(Bounds bounds, int index) { |
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269 if (bounds != null) { |
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270 Bounds old = getXRange(index); |
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271 |
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272 if (old != null) { |
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273 bounds = bounds.combine(old); |
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274 } |
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275 |
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276 setXBounds(index, bounds); |
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277 } |
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278 } |
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279 |
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280 |
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281 protected void combineYRanges(Bounds bounds, int index) { |
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282 if (bounds != null) { |
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283 Bounds old = getYBounds(index); |
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284 |
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285 if (old != null) { |
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286 bounds = bounds.combine(old); |
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287 } |
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288 |
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289 setYBounds(index, bounds); |
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290 } |
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291 } |
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292 |
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293 |
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294 // TODO REPLACE THIS METHOD WITH getBoundsForAxis(index) |
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295 @Override |
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296 public Range[] getRangesForAxis(int index) { |
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297 // TODO |
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298 Bounds[] bounds = getBoundsForAxis(index); |
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299 |
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300 return new Range[] { |
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301 new Range( |
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302 bounds[0].getLower().doubleValue(), |
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303 bounds[0].getUpper().doubleValue()), |
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304 new Range( |
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305 bounds[1].getLower().doubleValue(), |
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306 bounds[1].getUpper().doubleValue()) |
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307 }; |
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308 } |
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309 |
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310 |
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311 @Override |
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312 public Bounds getXBounds(int axis) { |
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313 return xRanges.get(axis); |
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314 } |
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315 |
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316 |
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317 @Override |
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318 protected void setXBounds(int axis, Bounds bounds) { |
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319 xRanges.put(axis, bounds); |
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320 } |
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321 |
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322 |
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323 @Override |
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324 public Bounds getYBounds(int axis) { |
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325 return yRanges.get(axis); |
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326 } |
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327 |
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328 |
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329 @Override |
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330 protected void setYBounds(int axis, Bounds bounds) { |
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331 yRanges.put(axis, bounds); |
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332 } |
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333 |
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334 |
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335 public Bounds[] getBoundsForAxis(int index) { |
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336 logger.debug("Return x and y bounds for axis at: " + index); |
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337 |
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338 Bounds rx = getXBounds(Integer.valueOf(index)); |
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339 Bounds ry = getYBounds(Integer.valueOf(index)); |
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340 |
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341 if (rx == null) { |
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342 logger.warn("Range for x axis not set." + |
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343 " Using default values: 0 - 1."); |
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344 rx = new TimeBounds(0l, 1l); |
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345 } |
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346 |
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347 if (ry == null) { |
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348 logger.warn("Range for y axis not set." + |
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349 " Using default values: 0 - 1."); |
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350 ry = new DoubleBounds(0l, 1l); |
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351 } |
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352 |
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353 logger.debug("X Bounds at index " + index + " is: " + rx); |
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354 logger.debug("Y Bounds at index " + index + " is: " + ry); |
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355 |
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356 return new Bounds[] {rx, ry}; |
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357 } |
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358 |
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359 |
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360 public Bounds getDomainAxisRange() { |
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361 String[] ranges = getDomainAxisRangeFromRequest(); |
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362 |
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363 if (ranges == null || ranges.length < 2) { |
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364 logger.debug("No zoom range for domain axis specified."); |
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365 return null; |
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366 } |
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367 |
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368 if (ranges[0] == null || ranges[1] == null) { |
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369 logger.warn("Invalid ranges for domain axis specified!"); |
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370 return null; |
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371 } |
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372 |
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373 try { |
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374 double lower = Double.parseDouble(ranges[0]); |
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375 double upper = Double.parseDouble(ranges[1]); |
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376 |
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377 return new DoubleBounds(lower, upper); |
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378 } |
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379 catch (NumberFormatException nfe) { |
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380 logger.warn("Invalid ranges for domain axis specified: " + nfe); |
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381 } |
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382 |
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383 return null; |
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384 } |
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385 |
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386 |
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387 public Bounds getValueAxisRange() { |
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388 String[] ranges = getValueAxisRangeFromRequest(); |
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389 |
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390 if (ranges == null || ranges.length < 2) { |
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391 logger.debug("No zoom range for domain axis specified."); |
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392 return null; |
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393 } |
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394 |
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395 if (ranges[0] == null || ranges[1] == null) { |
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396 logger.warn("Invalid ranges for domain axis specified!"); |
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397 return null; |
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398 } |
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399 |
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400 try { |
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401 double lower = Double.parseDouble(ranges[0]); |
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402 double upper = Double.parseDouble(ranges[1]); |
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403 |
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404 return new DoubleBounds(lower, upper); |
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405 } |
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406 catch (NumberFormatException nfe) { |
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407 logger.warn("Invalid ranges for domain axis specified: " + nfe); |
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408 } |
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409 |
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410 return null; |
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|
411 } |
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|
412 |
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413 |
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414 protected void adaptZoom(XYPlot plot) { |
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415 logger.debug("Adapt zoom of Timeseries chart."); |
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416 |
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417 zoomX(plot, plot.getDomainAxis(), getXRange(0), getDomainAxisRange()); |
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418 |
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419 Bounds valueAxisBounds = getValueAxisRange(); |
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420 |
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421 for (int j = 0, n = plot.getRangeAxisCount(); j < n; j++) { |
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422 zoomY( |
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423 plot, |
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424 plot.getRangeAxis(j), |
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425 getYBounds(j), |
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426 valueAxisBounds); |
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427 } |
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428 } |
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429 |
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430 |
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431 protected void zoomX( |
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432 XYPlot plot, |
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433 ValueAxis axis, |
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434 Bounds total, |
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435 Bounds user |
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436 ) { |
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437 if (logger.isDebugEnabled()) { |
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438 logger.debug("== Zoom X axis =="); |
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439 logger.debug(" Total axis range : " + total); |
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440 logger.debug(" User defined range: " + user); |
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441 } |
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442 |
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443 if (user != null) { |
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444 long min = total.getLower().longValue(); |
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445 long max = total.getUpper().longValue(); |
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446 long diff = max > min ? max - min : min - max; |
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447 |
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448 long newMin = (long) Math.round(min + user.getLower().doubleValue() * diff); |
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449 long newMax = (long) Math.round(min + user.getUpper().doubleValue() * diff); |
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450 |
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451 TimeBounds newBounds = new TimeBounds(newMin, newMax); |
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452 |
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453 logger.debug(" Zoom axis to: " + newBounds); |
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454 |
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455 newBounds.applyBounds(axis, AXIS_SPACE); |
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456 } |
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457 else { |
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458 logger.debug("No user specified zoom values found!"); |
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459 total.applyBounds(axis, AXIS_SPACE); |
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460 } |
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461 } |
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462 |
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463 |
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464 protected void zoomY( |
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465 XYPlot plot, |
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466 ValueAxis axis, |
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467 Bounds total, |
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468 Bounds user |
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469 ) { |
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470 if (logger.isDebugEnabled()) { |
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471 logger.debug("== Zoom Y axis =="); |
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472 logger.debug(" Total axis range : " + total); |
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473 logger.debug(" User defined range: " + user); |
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474 } |
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475 |
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476 if (user != null) { |
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477 double min = total.getLower().doubleValue(); |
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478 double max = total.getUpper().doubleValue(); |
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479 double diff = max > min ? max - min : min - max; |
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480 |
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481 double newMin = min + user.getLower().doubleValue() * diff; |
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482 double newMax = min + user.getUpper().doubleValue() * diff; |
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483 |
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484 DoubleBounds newBounds = new DoubleBounds(newMin, newMax); |
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485 |
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486 logger.debug(" Zoom axis to: " + newBounds); |
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487 |
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488 newBounds.applyBounds(axis, AXIS_SPACE); |
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489 } |
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490 else { |
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491 logger.debug("No user specified zoom values found!"); |
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492 total.applyBounds(axis, AXIS_SPACE); |
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493 } |
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6aeb71517136
Registered an Info generator for historical discharge curves; made some adaptions in XYChartGenerator, ChartGenerator and TimeseriesChartGenerator.
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494 } |
2233
958a10e2e246
Added a new ChartGenerator for timeseries charts and refactored some code in XYChartGenerator.
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495 } |
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496 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |